Full folding tricycle

ABSTRACT

The present invention relates to a foldable tricycle, operable between a first mode of operation steerable by a tricycle rider, and a second mode of operation steerable by an attendant pushing the tricycle. The tricycle comprising: a pair of rear wheels; a foldable seat comprising a chair and a back support, for accommodating said tricycle rider; a foldable arm rest, connected to said foldable seat; a parental handle, for steering said tricycle by said attendant pushing the tricycle; a main frame, configured to rotatably hold said rear support, to support said foldable seat, to rotatably support said rider handle, to rotatably support said fork; and a latching mechanism, capable of locking and unlocking the rotatable movement, of the rear support, in relations to the main frame.

TECHNICAL FIELD

The present invention relates to the field of riding vehicles. Moreparticularly, the invention relates to a foldable tricycle.

BACKGROUND

As of today, many types of tricycles for children exist. In a typicaltoy shop, one can encounter a number of tricycles differing in size,shape and color. However, shipping, handling and storing these tricyclesare becoming problems of a major nuisance, due to the relative largespace these tricycles occupy. This is especially true for shippingoverseas, where the tricycle's overall occupying space affects the sizeof the shipping containers of the tricycles which, in turn, affects theshipping costs.

This problem, of large space occupancy, can be partially resolved by afoldable tricycle design. Thus, the option of folding the tricycle, whennot in use, can reduce costs, of shipping and storing, for distributersand retailers. In addition, consumers may also prefer foldable tricycleswhich can be easily fitted into a car trunk and can be easily stored ina storeroom.

U.S. Pat. No. 6,966,572 discloses a folding tricycle, which features afront frame element to which a front wheel and handlebars are mounted. Afront bracket is attached to the front frame element and a seat bracket,to which a seat is mounted, is pivotally attached to the front bracket.A rear frame element has a pair of rear wheels mounted thereto and isattached to a rear bracket. The rear bracket is also pivotally mountedto the front bracket. The rear seat bracket features a pin that engagesslots in the seat bracket. As a result, the seat bracket pivots withrespect to the front bracket as the rear frame element is pivotedrelative to the front bracket as the riding vehicle is moved betweenfolded and unfolded configurations. However, the described foldingtechnique is inefficient.

U.S. Pat. No. 7,300,066 discloses a folding frame for a tricycle whichhas a front frame part on which the front wheels can be mounted and arear frame part on which the rear wheels can be mounted. A rotatingjoint with a front articulated part is mounted on the front frame partand a rear articulated part is mounted on the rear frame part. The firstof the two articulated parts has a first recess and the second of thetwo articulated parts has a second and third recess. The first recessand the second recess are in alignment in the use position of use andthe first recess and the third recess are aligned in the foldedposition. The first articulated part and the second articulated part arelocked against one another in the use position and in the foldedposition via a pin which can be moved in the recesses. Nevertheless, thedescribed folding system is inconvenient.

WO 2007/038951 discloses a folding tricycle for children which comprisesa frame having a central part carrying at its front a head tube andconnected at its rear to first ends of rear arms carrying acorresponding rotatable wheel, the first end of said arms being hingedto said central part such as to be able to assume at least two workingpositions, in a first position said arms extending from said centralpart and in a second position they cling along the side of said part.The central part of the frame comprises a portion connecting it to thearms and presenting free surfaces lying in planes inclined to a centralplane of the frame and converging to the front said central part of thislatter, said first end of said arms being shaped to provide a form fitwith said free surfaces. Nevertheless, the described folding techniqueis inefficient.

WO 2014/033503 discloses a foldable tricycle which includes a frontwheel assembly and a mainframe, latched to the front wheel assembly by afront mount. The disclosed tricycle also includes a pair of rear-wheelassemblies, a pair of folding ring assemblies which couples therear-wheel assemblies to the mainframe, and a mechanism forsimultaneously unlocking the pair of ring assemblies and unlatching themainframe from the front wheel assembly. Nevertheless, the describedfolding technique is inefficient.

It would therefore be desired to propose a system void of thesedeficiencies.

SUMMARY

It is an object of the present invention to provide a foldable tricycle.

It is another object of the present invention to provide a foldabletricycle that can be folded into a small package.

It is still another object of the present invention to provide afoldable tricycle that has a foldable arm rest.

It is still another object of the present invention to provide afoldable tricycle that has a parental handle, a foldable chair, a canopyand a rear bag, where the foldable tricycle can be folded together withall its parts.

It is still another object of the present invention to provide afoldable tricycle that has a parental handle, and where the handle isalso foldable.

It is still another object of the present invention to provide afoldable tricycle that can be rolled around as a trolley.

Other objects and advantages of the invention will become apparent asthe description proceeds.

The present invention relates to a foldable tricycle, operable between afirst mode of operation steerable by a tricycle rider, and a second modeof operation steerable by an attendant pushing the tricycle, thetricycle comprising: (a) a pair of rear wheels; (b) a front wheel havinga front wheel axis; (c) a head tube; (d) a fork for rotatably supportingsaid front wheel in a manner permitting said front wheel to rotate aboutsaid front wheel axis; (e) a foldable seat, comprising a chair and aback support, for accommodating said tricycle rider; (f) a foldable armrest, connected to said foldable seat; (g) a parental handle, forsteering said tricycle by said attendant pushing the tricycle in thesecond mode; (h) a foldable rider handle, configured to turn the fork ina manner permitting a tricycle rider to exert forces on the rider handleand thereby turn the fork, in the first mode; (i) a main frame,configured to rotatably hold said rear support, to support said foldableseat, to rotatably support said rider handle, to rotatably support saidfork; and (j) a latching mechanism, capable of locking and unlocking therotatable movement, of said rear support in relations to said mainframe; and (k) wherein said parental handle and the attached rearsupport are folded in relations to said frame and wherein said foldablearm rest is folded in relations to said foldable seat.

Preferably, the tricycle further comprises a rear bag.

Preferably, the tricycle further comprises a canopy.

In one embodiment, the latching mechanism has a leash.

In one embodiment, the latching mechanism has a grip.

In one embodiment, the latching mechanism comprises a bolt.

In one embodiment, the latching mechanism also comprises a spring thatpushes the bolt into place.

In one embodiment, the front wheel is swivel wheel.

In one embodiment, at least one of the rear wheels is a swivel wheel.

In one embodiment, the latching mechanism comprises a pin.

In one embodiment, the latching mechanism also comprises a knobconnected to the pin.

Preferably, the total dimensions of said folded tricycle do not exceed150 cm.

Preferably, the hand rest is detachable.

Preferably, the tricycle further comprises a pair of pedals, where eachpedal is configured for connection about the front wheel axis to rotatesaid front wheel.

In one embodiment, the pedals are foldable.

In one embodiment, the pedals are detachable.

In one embodiment, the tricycle can be folded into a trolley like foldedposition.

In one embodiment, the tricycle has an auxiliary wheel, for providingeasier rolling when the folded tricycle is in a trolley like foldedposition.

In one embodiment, the seat may be turned around in 180°.

In one embodiment, the tricycle further comprises a leg rest.

In one embodiment, the tricycle further comprises a fastener and a pinfor holding the tricycle in the folded position.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, and specific references to their details, areherein used, by way of example only, to illustratively describe some ofthe embodiments of the invention.

In the drawings:

FIG. 1 is a right view diagram depicting a foldable tricycle, in itsopen position, i.e. unfolded configuration, according to an embodimentof the invention.

FIG. 2 is a right view diagram depicting the foldable tricycle, in itsfolded position, according to an embodiment.

FIG. 3 is an isometric view diagram depicting a foldable tricycle, inits open position, according to an embodiment of the invention.

FIG. 4 is an isometric view diagram depicting the rear of the foldabletricycle, in its open position, according to an embodiment of theinvention.

FIG. 5 is an isometric view diagram depicting a latching mechanism ofthe foldable tricycle, in its open position, according to an embodimentof the invention.

FIG. 6 is an isometric view diagram depicting a foldable tricycle, inits folded position, according to an embodiment of the invention.

FIG. 7 is an isometric view diagram depicting a latching mechanism ofthe foldable tricycle, in its folded position, according to anembodiment of the invention.

FIG. 8 is an isometric view diagram depicting the rear of the foldabletricycle, in its open position, with another latching mechanism,according to another embodiment of the invention.

FIG. 9 is an isometric view diagram depicting the rear of the tricycle,in its folded position, according to another embodiment of theinvention.

FIG. 10 is a side view diagram depicting a foldable tricycle, in anotherfolded position, according to another embodiment of the invention.

FIG. 11 is a side view diagram depicting the foldable tricycle in atrolley like folded position, according to another embodiment of theinvention.

FIG. 12a is a right-view diagram depicting a foldable tricycle, in itsopen position, according to another embodiment of the invention.

FIG. 12b is a back-view diagram depicting a foldable tricycle, accordingto another embodiment of the invention.

FIG. 13a is an isometric view diagram depicting the rear of the foldabletricycle, in its open position, according to an embodiment of theinvention.

FIG. 13b is an isometric view diagram depicting the rear of thetricycle, without the cylindrical cover, according to an embodiment ofthe invention.

FIG. 14 is a back-view diagram depicting the tricycle in a foldedposition, according to an embodiment.

FIG. 15a is a side view diagram depicting the foldable tricycle in atrolley like folded position, according to another embodiment of theinvention.

FIG. 15b is a back-view diagram depicting the foldable tricycle in atrolley like folded position, according to an embodiment of theinvention.

FIG. 16a is a right view diagram depicting a foldable tricycle, in itsopen position, according to another embodiment of the invention.

FIG. 16b is a right view diagram depicting a foldable tricycle, similarto the described in relations to FIG. 16a , where the seat has beenturned around, according to an embodiment of the invention.

FIG. 17 is a detailed view of a portion of the front wheel assembly,according to one embodiment of the invention.

FIG. 18 is a further detailed view of a front wheel assembly, accordingto an embodiment of the invention.

FIG. 19 is a detailed view of the pedal assembly, according to anembodiment of the invention.

FIG. 20 is an isometric rear-view diagram depicting a foldable tricycle,with 2 rear swivel wheels, according to another embodiment of theinvention.

FIG. 21 is a right-view diagram depicting the foldable tricycle, withthe 2 rear swivel wheels, in a folded position, according to anembodiment.

DETAILED DESCRIPTION

The terms “screw” “rivet” “pin” and “bolt” may be used throughout thedescription interchangeably and are meant to include any element thatcan be used for connecting more than one component, where in some of thecases may allow at least one of the components to rotate, e.g. axislike, in respect to at least one of the other components.

Hereinafter, parts, elements and components that are depicted in morethan one figure are referenced by the same numerals.

The terms of “front”, “rear”, “down”, “up”, “bottom”, “upper”,“horizontal”, “vertical”, “right”, “left” or any reference to sides ordirections are used throughout the description for the sake of brevityalone and are relative terms only and not intended to require aparticular component orientation.

FIG. 1 is a right view diagram depicting a foldable tricycle, in itsopen position, i.e. unfolded configuration, according to an embodimentof the invention. A tricycle, as used herein, includes any vehicle withat least one wheel in the front and at least two wheels in the rear. Thefoldable tricycle 100, as depicted for example in its open position inFIG. 1, may be folded into a small package as depicted, for example, inFIG. 2.

FIG. 1, for example, depicts a view of a foldable tricycle, which may bepropelled by a pedaling rider, in a first mode, or may be propelled byan attendant, who pushes the tricycle, in a second mode. The tricycle100 may have a foldable seat 120 for accommodating the rider of thetricycle 100. The foldable seat 120 may comprise a sitting chair 123 anda foldable back support 121 for supporting the back of the rider. Thechair 123 and the back support 121 may each be made of resin, plastic,or any other rigid material. In one embodiment, the chair 123 and theback support 121 may each be made of plastic covered by cloth or anyother soft material. In one embodiment, a foldable arm rest 122 may beconnected to the foldable seat 120. In one embodiment, the foldable armrest 122 may be connected to the back support 121 of the foldable seat120 by a screw, rivet, pin, or any other connecting means which mayallow the rotation and folding of the arm rest 122. In one embodiment,the foldable arm rest 122 may rotate upwards, when folding, and rotatedownwards, when unfolding, until the foldable arm rest 122 rests in anangle where the arm rest 122 is about parallel to chair 123. In oneembodiment, the foldable arm rest 122 may be detachably connected to theback support 121, thus allowing the user to detach or attach the armrest 122 from/to the seat 120.

The tricycle 100, as depicted in FIG. 1, may have 2 rear wheels, such asrear wheel 172 which may by rotatably supported by a rear support 170.Tricycle 100 may have at least one front wheel 130 with a front wheelaxis and a pair of pedals, where each of the pedals may be configuredfor connection about the front wheel axis to rotate the front wheel 130.The front wheel 130 may be pedaled by the left pedal 131 and a rightpedal (not shown) by a rider in the first mode. In one embodiment, thepedals may be foldable pedals. In another embodiment, the pedals may bedetachable pedals.

In one embodiment, the tricycle 100 may have a foldable canopy 160 whichcan be opened, as depicted in FIG. 1, for protecting the rider from thesun or rain. In some embodiments the hinges of the canopy, such as hinge161, may be used for closing and opening the canopy 160 and for foldingthe canopy 160 when the tricycle 100 is in the folded position, asdepicted, for example, in FIG. 2. In some embodiments the hinges of thecanopy, such as hinge 161, are detachable and may be used for detachingor attaching the canopy 160 from/to the seat 120.

Embodiments of the invention may also include a rider handle 150 and afork 135, for rotatably supporting the front wheel 130, and a fork'sstem (not shown). Embodiments of the invention may also include a headtube 190, for rotatably supporting the rider handle 150 and forrotatably supporting the fork's stem. In one embodiment, the front wheel130 and its fork 135 may be detachable from the main body of thetricycle 100. In another embodiment, the front wheel 130 and/or its fork135 may be foldable in relations to the main body of the tricycle 100.In one embodiment, the rider handle 150 may be foldable, where the base152 may be rotatable and may fold the rider handle 150 when the tricycleis in the folded position, as depicted in FIGS. 1 and 2, for example. Inone embodiment, the rider handle 150 may be partly foldable, where thebase 152 may be partially rotated and may bend the rider handle 150closer to the rider, as to accommodate a rider with shorter hands, forexample.

Embodiments of the invention may also include a parental handle 141, forsteering said tricycle by an attendant pushing the tricycle 100, asdepicted in FIG. 1. In one embodiment, the parental handle 141 isattached to the rear support 170. In one embodiment, the parental handle141 may have a top end 144 configured for grasping by the attendant anda bottom end having two tubes each connected to a different side of therear support 170. An attendant who is pushing the tricycle from behindmay use parental handle 141 for propelling and steering the tricycle inthe second mode. In one embodiment, the parental handle 141 may betelescopically extendable, for adjusting its height to the comfortableheight of the attendant, or for folding the tricycle 100. In oneembodiment, the parental handle 141 may have one or more fasteningclinchers, e.g. latches, such as fastening clincher 148, for clinchingand fastening the height of the parental handle 141 after adjustment.Other fastening mechanisms, and other length adjustment techniques, maybe used for extending the height of the parental handle 141.

In one embodiment, the main frame 140, of the tricycle 100, isconfigured to rotatably hold the rear support 170, to support thefoldable seat 120, and to hold the head tube 190 which rotatablysupports the fork's stem and the rider handle 150, as depicted in FIG.1.

In one embodiment, tricycle 100 may also have a rear bag 149. The rearbag 149 may be attached by straps, such as strap 147, or any othermethod to the parental handle 141 or to any other part of the tricycle100.

FIG. 2 is a right view diagram depicting the tricycle 100 in a foldedposition, according to an embodiment. In this folded position, theparental handle 141 may be rotated under the tricycle 100 toward thefront wheel 130, effectively rotating the attached rear support 170 inrelations to the frame 140. Thus, in one embodiment, the parental handle141 and the attached rear support 170 are folded in relations to theframe 140. In one embodiment, the tricycle 100 may be folded togetherwith its arm rest 122. In one embodiment, the tricycle 100 may be foldedtogether with its canopy 160. In one embodiment, the tricycle 100 may befolded together with its rear bag 149. In yet another embodiment thetricycle 100 may be folded together with the parental handle 141. In yetanother embodiment the tricycle 100 may be folded together with theparental handle 141 and the arm rest 122. In yet another embodiment thetricycle 100 may be folded together with all its depicted parts,including its arm rest 122, its canopy 160, and its rear bag 149. In oneembodiment, in the folded position, the dimensions of the foldedtricycle may be less than 64×47×41 cm. In one embodiment, the totaldimensions of the folded tricycle do not exceed 150 cm. In anotherembodiment, the total dimensions of the folded tricycle, without therear wheels, do not exceed 115 cm. In one embodiment, in the foldedposition, the dimensions of the folded tricycle may be between 59×42×36cm and 69×52×46 cm. In another embodiment, the measurement of the foldedtricycle, without the rear wheels and without the front wheel is about63×31×31. In another embodiment, the measurement of the folded tricycle,without the rear wheels and without the front wheel may be between59×27×27 cm and 69×35×35 cm.

FIG. 3 is an isometric view diagram depicting a foldable tricycle, inits open position, according to an embodiment of the invention. In thisdiagram, the tricycle 100 is depicted without the canopy and without thebag. In addition, FIG. 3, illustrates a first rear wheel 172 and asecond rear wheels 174 and the rear support 170. The rear support 170has a first side 311, a second side 313 and a main support area 315positioned between the first and second sides. The first rear wheel 172is rotatably supported by a rear support's first side 311 distal endarea 321 and the second rear wheel 174 is rotatably supported by therear support's second side 313 distal end area 323. The parental handle141 has a first extendable arm 331 and a second extendable arm 333. Thefirst and second extendable arms 331, 333 are spaced apart to form afront wheel space 335. The first extendable arm 331 and the secondextendable arm 333 each have a proximal end 341, 343 and a distal end351, 353. The first extendable arm's proximal end 341 is connected tosaid rear support's first side 311 between the first side distal endarea 321 and the main support area 315 and the second extendable arm'sproximal end 343 is connected to said rear support's second side 313between the second side distal end area 323 and the main support area315. A top end 144 connects the distal ends 351, 353 of the first andsecond extendable arms 331, 333, and also forms an upper boundary of thefront wheel space 335, while the rear support forms the lower boundaryof the front wheel space 335.

FIG. 4 is an isometric view diagram depicting the rear of the foldabletricycle, in its open position, as depicted in FIG. 3, according to anembodiment of the invention. In this diagram, the leash 180 may be usedfor folding the tricycle 100. In one embodiment, the user can pull theleash 180 and thus fold the tricycle 100 in one motion.

FIG. 5 is an isometric view diagram depicting one of the latchingmechanisms of the foldable tricycle, in its open position, as depictedin FIG. 4, according to an embodiment of the invention. In this diagram,the frame 140 and some of the other external parts have been removed. Asdepicted, the leash 180 is connected to a cord 181 which is connected toa bolt 182. When the leash 180 is pulled—the bolt 182 is pulled from itslocking position and the rear support 170 is free to rotate in relationsto the frame 140, thus allowing the folding of the tricycle 100. Thus,when the leash 180 is pulled upwards, the frame 140 and the rear support170 may each rotate downwards, due to gravity, effectively causing thetricycle 100 to fold. However, for opening and locking the tricycle 100,the tricycle 100 should be opened and the leash 180 should be releasedin order for the spring 183 to push the bolt 182 towards its initialposition for locking the frame 140 together with the rear support 170 byinsertion into predefined holes in the frame 140 and the rear support170. In one embodiment, the rear support 170 may have 2 holes, one holefor interlocking the bolt while the tricycle 100 is in the open positionand one hole for interlocking the bolt while the tricycle 100 is in thefolded position. Thus, the bolt 182 may interlock the rear support 170in relations to the frame 140 in any one of the 2 positions—open orfolded.

FIG. 6 is an isometric view diagram depicting a foldable tricycle, inits folded position, according to an embodiment of the invention. Inthis diagram, the tricycle 100 is depicted without the canopy andwithout the bag. This figure also illustrates the embodiment when thelatching mechanism is unlocked. Once unlocked, the parental handle 141is capable of rotating under the tricycle 100 so at least a portion ofthe front wheel 130 passes through the front wheel space 335 while theattached rear support is folded in relation to said frame 140.

FIG. 7 is an isometric view diagram depicting the latching mechanism ofthe foldable tricycle, in its folded position, as depicted in FIG. 6,according to an embodiment of the invention. As described in relationsto FIG. 5, the leash 180 is depicted, in this diagram, when it is pulledout and the bolt 182 is pulled out, from its locking position, and therear support 170 is free to rotate, in relations to the frame 140.

FIG. 8 is an isometric view diagram depicting the rear of the foldabletricycle, in its open position, similar to the tricycle depicted in FIG.3, with a different latching mechanism, according to an embodiment ofthe invention. In the diagram, instead of a leash the latching mechanismuses a pulling knob 183. The knob 183 may be pulled for folding thetricycle 100. In one embodiment, the knob 183 may be tied byrestrainers, such as ropes or straps etc., to the rear support 170. Forexample, the knob 183 may be tied by straps to the slipknots 184-185which are attached to the rear support 170. In one embodiment, the usercan pull the knob 183 and thus fold the tricycle 100 in one motion. Forexample, when the knob 183 is pulled upwards and held by straps to theslipknots 184-185, the frame 140 and the rear support 170 may eachrotate downwards, due to gravity, effectively causing the tricycle tofold.

FIG. 9 is an isometric view diagram depicting the rear of the tricycle,in its folded position, depicted the latching mechanism, described inrelations to FIG. 8, according to an embodiment of the invention. Asdepicted, the knob 183 has been pulled out for folding the tricycle.When the knob 183 is pulled out—its connected pin 186 is pulled from itslocking position, within the rear support 170, and the rear support 170is free to rotate in relations to the frame 140. In order to open thetricycle again, the rear support 170 may be rotated back to its openposition where the knob 183 and its pin 186 may be inserted back intoits locking position, i.e. into the corresponding holes within the rearsupport 170 and frame 140. In one embodiment, the knob 183 or its pin186 may have a locking mechanism for ensuring that the knob 183 and itspin 186 cannot slip out unintentionally. For example, the pin 186 mayhave a grooved hollow cylinder head, e.g. like a screw head, where atleast one of the holes in the rear support 170, and/or in the frame 140,may have the corresponding grooved hollow cylinder, e.g. like a screwnut, where the pin 186 may be inserted and twisted for safe locking thepin 186 inside. In one embodiment, the rear support 170 may have 2holes, one for interlocking the pin 186 while the tricycle is in theopen position and one for interlocking the pin 186 while the tricycle isin the folded position. Thus, the pin 186 may interlock the rear support170 to the frame 140 in any one of the 2 positions—open or folded.

In other embodiments, other latching mechanisms may be used. Forexample, a simple bolt may be inserted manually through hole(s) in theframe 140 and hole(s) in the rear support when the tricycle is in itsunfolded position, and the same bolt may be manually pulled out whenfolding the tricycle.

FIG. 10 is a side view diagram depicting a foldable tricycle, in anotherfolded position, according to another embodiment of the invention. Inthis embodiment, the tricycle's parental handle 141 is folded evenfurther, than depicted in FIG. 2, and closer to the head tube 190. Thisfigure also illustrates the embodiment where the parental handle 141 iscapable of rotating under the tricycle 100 so at least a portion of thehead tube 190 passes through the space 335 while the attached rearsupport is folded in relation to said frame 140. In one embodiment theparental handle 141 is capable of rotating under the tricycle 100 so atleast a portion of the main frame 140 passes through the space 335. Whenthe latching mechanism is unlocked, it permits the parental handle 141to be capable of rotating under the tricycle so the head tube 190 passesthrough the front wheel space 335 to reconfigure the tricycle into atrolley configuration as better illustrated at FIG. 11.

FIG. 11 is a side view diagram depicting the foldable tricycle in atrolley like folded position, according to another embodiment of theinvention. In this diagram, the tricycle is depicted with the parentalhandle 141 folded, as described in relations to FIG. 10, albeit, withthe parental handle 141 extended. In this trolley like folded position,the folded tricycle can be rolled on its rear wheels while holding theparental handle 141. This trolley folded position may be handy when theattendant wishes to move and roll the tricycle conveniently while thetricycle is folded. In one embodiment, the folded tricycle may bewrapped up in a protective bag, where the protective bag may have holesfor the rear wheels 172 and may have a hole for the parental handle 141.In one embodiment, the front wheel assembly may be removed for easierhandling. In one embodiment, the front wheel assembly may be removed andattached at the back of the seat. In another embodiment, the front wheelassembly may be folded for easier handling. In yet another embodimentthe front wheel assembly may be left in place and the tricycle may befolded with its front wheel sticking out, as described and depicted inrelations to FIG. 10.

FIG. 12a is a right view diagram depicting a foldable tricycle, in itsopen position, according to another embodiment of the invention. In thisembodiment, similar to the described in relations to FIG. 1, thetricycle may be propelled by a pedaling rider, in a first mode, or maybe propelled by an attendant, who pushes the tricycle, in a second mode.The foldable seat may comprise a sitting chair 123 and a foldable backsupport 121 for supporting the back of the rider. In one embodiment, afoldable arm rest 122 may be connected to the foldable back support 121.In one embodiment, the foldable arm rest 122 may be connected to theback support 121 by a screw, rivet, pin, or any other connecting meanswhich may allow the rotation and folding of the arm rest 122. In oneembodiment, the foldable arm rest 122 may rotate upwards, when foldingand rotate downwards, when unfolding, until the foldable arm rest 122rests in an angle where the arm rest 122 is about parallel to chair 123.In one embodiment, the foldable arm rest 122 may be detachably connectedto the back support 121, thus allowing the user to detach the arm rest122 from the back support 121.

The tricycle 400, as depicted in FIG. 12a , may have 2 rear wheels, suchas rear wheel 172 which may by rotatably supported by a rear support170. In one embodiment, tricycle 400 may have at least one front wheel130 with a front wheel axis and a pair of pedals, where each of thepedals may be configured for connection about the front wheel axis torotate the front wheel 130. The front wheel 130 may be pedaled by theleft pedal 131 and a right pedal (not shown) by the rider in the firstmode. In one embodiment, the pedals may be foldable pedals. In anotherembodiment, the pedals may be detachable pedals.

In one embodiment, the tricycle 400 may have a foldable canopy 260 whichcan be opened, as depicted in FIG. 12a , for protecting the rider fromthe sun or rain. In some embodiments the hinges of the canopy, may beused for closing and opening the canopy 260 and for folding the canopy260 when the tricycle 400 is in the folded position. In some embodimentsthe hinges of the canopy 260 may be detachable and may be used fordetaching or attaching the canopy 260 from/to the back support 121.

Embodiments of the invention may also include a rider handle 150 and afork 235, for rotatably supporting the front wheel 130, and a fork'sstem (not shown). The fork may be made of metal, plastic, resin, or anyother rigid material. In one embodiment, the front wheel 130 and itsfork 235 may be detachable from the main body of the tricycle 400. Inone embodiment, the front wheel 130 and its fork 235 may be detachablefrom the main body of the tricycle 400 by pushing a button of asnap-in-place part. In another embodiment, the front wheel 130 and/orits fork 235 may be foldable in relations to the main body of thetricycle 400. In one embodiment, the rider handle 150 may be foldable,where the base mechanism 252 may be rotatable and may fold the riderhandle 150 when the tricycle is in the folded position. In oneembodiment, the base mechanism 252 may have a snap in place button wherea push on the button may allow the folding of the handle 150. In anotherembodiment, the base mechanism 252 may have a fastener where thefastener may be opened for folding the handle 150. Other knownmechanisms may be used as well for folding the handle 150.

In one embodiment, the tricycle may have a legs rest such as leg rest237 for younger children, such as children between 9-12 months. In oneembodiment, a younger child may rest his legs on the leg rest 237 whenthe tricycle is steered and propelled by an attendant, who pushes thetricycle from behind, in a second mode.

In one embodiment, the tricycle may have a foldable foot such as footrest 423 for older children, such as children above 12 months. In oneembodiment, the foldable foot rest 423 may be opened for allowing anolder child to rest his feet on the foot rest 423 when the tricycle issteered and propelled by an attendant, who pushes the tricycle frombehind, in a second mode.

In some embodiments, the tricycle may have a fastener, such as fastener247, and a pin 474 for holding the tricycle in the folded position, oncethe tricycle is folded. In one embodiment, the fastener 247 has to bedisengaged from the pin 474 prior to opening and unfolding the tricycle.

FIG. 12b is a back-view diagram depicting the foldable tricycle,described in relations to FIG. 12a , according to another embodiment ofthe invention. In one embodiment, the tricycle 400 may have a holder,such as holder 410, at the back of back support 121 for holding thefront wheel 130 when the tricycle 400 is folded.

FIG. 13a is an isometric view diagram depicting the rear of the foldabletricycle, in its open position, similar to the tricycle depicted inFIGS. 12a-b , according to an embodiment of the invention. In thisembodiment, a folding grip 280 may be pulled upwards for folding thetricycle 400, and will be described in greater detail in relations toFIG. 13b . In this embodiment, the grip 280 may be connected by screws,pins or any other pivots to a ledge 281 which may be connected byscrews, pins or any other pivots to the holders 387 of the cylindricalcover 284 which may be wielded or attached in any way to the frame 140.Thus, the user can pull the grip 280 and fold the tricycle 400 in onemotion. For example, when the grip 280 is pulled upwards the frame 140and the rear support 170 may each rotate downwards, due to gravity,effectively causing the tricycle 400 to fold.

FIG. 13b is an isometric view diagram depicting the rear of thetricycle, described in relations to FIG. 13a , without the cylindricalcover, according to an embodiment of the invention. In this embodiment,the grip 280 may be connected by screws, such as screw 382, to the ledge281, where the ledge 281 may be connected by screws, such as screw 389,to the holders 387 (of the cylindrical cover) which may be wielded orattached in any know way to the frame 140, for allowing the rotation ofthe ledge 281 in relations to the frame 140. The ledge 281 may have aprotrusion, for acting as a hammer, for pushing the bolt 383 inwards.The bolt 383, which may be held outwards by a spring or the like, mayhold the tricycle 400 in the unfolded position by being specificallypositioned in the hole of the cylindrical cover while being held in therear support 170, thus holding the frame 140 in relations to the rearsupport 170. When the grip 280 is pulled upwards, the ledge 281 may pushand knock the bolt 383 inwards, effectively allowing the frame 140 torotate in relations to the rear support 170. Thus, when the bolt 383 ispushed inwards while the grip 280 is pulled upwards, the frame 140 andthe rear support 170 may each rotate downwards, due to gravity and dueto the fact that the bolt 383 does not hold the frame 140 in relationsto the rear support 170 anymore, which causes the tricycle 400 to folddownwards. However, for opening and locking the tricycle 400 in the openposition, the tricycle 400 should be opened and the grip 280 should bereleased in order for the bolt 383 to move outward towards its initialposition, by insertion into predefined holes in the frame 140 whilebeing held in the rear support 170, for locking the frame 140 togetherwith the rear support 170. In one embodiment, the rear support 170 mayhave 2 holes, one hole for interlocking the bolt while the tricycle 400is in the open position and one hole for interlocking the bolt while thetricycle 400 is in the folded position. Thus, the bolt 383 may interlockthe rear support 170 in relations to the frame 140 in any one of the 2positions—open or folded.

FIG. 14 is a back-view diagram depicting the tricycle 400 in a foldedposition, according to an embodiment. In this folded position, theparental handle 141 may be rotated under the tricycle 400 toward thefront of the tricycle, effectively rotating the attached rear support170 in relations to the frame. In this embodiment, the front wheel 130may be detached from the tricycle 400, when folded, and attached to theback of the back support 121. In another embodiment, the front wheel 130may be detached from the tricycle 400, when folded, and inserted in apocket (not shown), made of cloth or any other material, attached to theback of the back support 121. In one embodiment, the tricycle 400 may befolded together with its arm rest. In one embodiment, the tricycle 400may be folded together with its canopy. In one embodiment, the tricycle400 may be folded together with its rear bag. In yet another embodimentthe tricycle 400 may be folded together with the parental handle 141. Inyet another embodiment the tricycle 400 may be folded together with theparental handle 141 and the arm rest. In yet another embodiment thetricycle 400 may be folded together with all its depicted parts,including its arm rest, its canopy, and its rear bag. In one embodiment,in the folded position, the overall dimensions (width*height*length) ofthe folded tricycle may be less than 20% of the overall dimensions ofthe open tricycle. In one embodiment, the dimensions of the opentricycle are less than 99×44×101 cm. In one embodiment, the dimensionsof the trolley like folded tricycle are less than 44×35×99 cm. In oneembodiment, the dimensions of the folded tricycle are less than 44×35×61cm. In one embodiment, the dimensions of the folded tricycle, with itsrear wheels detached, are less than 33×33×61 cm. In one embodiment, thedimensions of the open tricycle are less than 98×49×101 cm. In oneembodiment, the dimensions of the trolley like folded tricycle are lessthan 49×35×104 cm. In one embodiment, the dimensions of the foldedtricycle are less than 49×35×64 cm. In one embodiment, the dimensions ofthe folded tricycle, with its rear wheels detached, are less than37×34×62 cm.

FIG. 15a is a side view diagram depicting the foldable tricycle 400 in atrolley like folded position, according to another embodiment of theinvention. In this diagram, the tricycle is depicted in its foldedposition, as described in relations to FIG. 14, albeit, with theparental handle 141 extended. In this trolley like folded position, thefolded tricycle can be rolled on its rear wheels while holding theparental handle 141. This trolley folded position may be handy when theattendant wishes to move and roll the tricycle conveniently while it thetricycle is folded. In one embodiment, the tricycle may have anauxiliary wheel, such as auxiliary wheel 273, for providing easierrolling of the folded tricycle. For example, when the attendant wishesto move and roll the tricycle conveniently while the tricycle is in thetrolley like folded position, the tricycle may be rolled on its rearwheels 172 and its auxiliary wheel 273. In one embodiment, the tricyclemay have more than one auxiliary wheel. In one embodiment, the foldedtricycle may be wrapped up in a protective bag, where the protective bagmay have holes for the rear wheels 172, a hole for the auxiliary wheel273 and may have a hole for the parental handle 141. In one embodiment,the front wheel assembly may be removed and held at the back of the backsupport of the seat.

FIG. 15b is a back-view diagram depicting the foldable tricycle 400, ina trolley like folded position, according to an embodiment of theinvention.

FIG. 16a is a right view diagram depicting a foldable tricycle, in itsopen position, according to another embodiment of the invention. In thisembodiment, similar to the described in relations to FIG. 1, thetricycle 600 may be propelled by a pedaling rider, in a first mode, ormay be propelled by an attendant, who pushes the tricycle, in a secondmode. The foldable seat may comprise a sitting chair 623 and a foldableback support 621 for supporting the back of the rider. In oneembodiment, a foldable arm rest 622 may be connected to the foldableback support 621. In one embodiment, the foldable arm rest 622 may beconnected to the back support 621 by a screw, rivet, pin, or any otherconnecting means which may allow the rotation and folding of the armrest 622. In one embodiment, the foldable arm rest 622 may rotateupwards, when folding and rotate downwards, when unfolding, until thefoldable arm rest 622 rests in an angle where the arm rest 622 is aboutparallel to chair 623. In one embodiment, the foldable arm rest 622 maybe detachably connected to the back support 621, thus allowing the userto detach the arm rest 622 from the back support 621.

The tricycle 600, as depicted in FIG. 16a , may have 2 rear wheels, suchas rear wheel 172 and rear wheel 672 which both may by rotatablysupported by a rear support 170. Tricycle 600 may have at least onefront wheel 130. In one embodiment, the tricycle 600 may have a foldablecanopy 660, for protecting the rider from the sun or rain. In someembodiments the hinges of the canopy, may be attached to the backsupport 621 and used for closing and opening the canopy 660 and forfolding the canopy 660 when the tricycle 600 is in the folded position,or for detaching and attaching the canopy to the back support 621.

Embodiments of the invention may also include a rider handle 150 and afork 235, for rotatably supporting the front wheel 130, and a fork'sstem (not shown). The fork may be made of metal plastic, resin, or anyother rigid material. In one embodiment, the front wheel 130 and itsfork 235 and the fork's stem may be detachable from the main body of thetricycle 600. In another embodiment, the front wheel 130 and/or its fork235 may be foldable in relations to the main body of the tricycle 600.In one embodiment, the rider handle 150 may be foldable.

FIG. 16b is a right view diagram depicting a foldable tricycle, similarto the described in relations to FIG. 16a , where the seat has beenturned around, according to an embodiment of the invention. In thisembodiment, the seat 623 has been turned around, in about 180°, in orderto allow the attendant to see the rider. As described in relations toFIG. 16a the tricycle 600 may be propelled by a pedaling rider, in afirst mode, or may be propelled by an attendant, who pushes thetricycle, in a second mode. The foldable turnable seat may comprise aturnable sitting chair 623 and a foldable back support 621 forsupporting the back of the rider. In one embodiment, the foldable seatmay be a reclining seat where the back support 621 may be reclined as toallow a wider angle between the chair 623 and the back support 621. Inone embodiment, a foldable arm rest 622 may be connected to the foldableback support 621. In one embodiment, the foldable arm rest 622 may beconnected to the back support 621 by a screw, rivet, pin, sliding tongueor any other connecting means which may allow the rotation and foldingor disengagement of the arm rest 622 from the back support 621. In oneembodiment, the foldable arm rest 622 may rotate upwards, when folding,and rotate downwards, when unfolding until the foldable arm rest 622rests in an angle where the arm rest 622 is about parallel to chair 623.In one embodiment, the foldable arm rest 622 may be detachably connectedto the back support 621, thus allowing the user to detach the arm rest622 from the back support 621.

Other embodiments are possible as well for folding and unfolding thetricycle.

The described folding mechanisms may be used for folding and unfoldingother vehicles as well.

In some embodiments, the seat may have shoulder straps for strapping therider in the seat and protecting him from falling. In one embodiment,the shoulder straps may also be used for locking and securing thefolding of the tricycle. For example, the shoulder straps may be buckledby a buckle on the sitting chair or may be buckled by a buckle on theback of the tricycle. Thus, in some embodiments, the same shoulderstraps may be used for protecting the rider, when the tricycle is openedand in use, and the same shoulder straps may also be used for tying andsecuring the folded tricycle, in its folded position.

According to an embodiment, the foldable tricycle is operable between afirst mode of operation steerable by the tricycle rider, and a secondmode of operation steerable by an attendant pushing the tricycle. In oneembodiment, the depicted tricycle has a front swivel wheel, i.e. crazywheel, for easy steerability in the second mode. During the second mode,when an attendant pushes the tricycle from behind, the tricycle may besteered by the attendant from behind by pushing the tricycle left andright and where the front swivel wheel aligns itself left or rightaccordingly.

For the sake of brevity, a description is set forth, for theconfiguration of the front swivel wheel. The central axis of the stem ofthe fork of the front wheel extends in an offset from rotational axis offront wheel by a distance. In one embodiment, the offset distance is ina range of about 15 mm and 40 mm. In another embodiment, the offsetdistance is in a range of about 10 mm and 50 mm. As the offset distancedecreases with all else equal, so to decreases an ability to turn thetricycle from behind using the hand grip. Thus, in one embodiment, theangle between the stem and the fork is between about 165 and 179degrees. In one embodiment, the minimum diameter of the stem is at leastthree times less than the width of the front wheel. This combination ofgeometries is exemplary of a configuration that may permit an attendantto steer, in the second mode, when the stem axis leads the wheel axis,or may permit the tricycle rider to steer, in the first mode.

The rider handle, in a first mode, may be configured to be rotationallycoupled with the stem in a manner permitting a tricycle rider to exertforces on the rider handle and thereby turn the fork, and the riderhandle in the second mode, may be configured to be rotationallyuncoupled from the stem, preventing forces on the rider handle fromturning the fork. Rotational coupling and decoupling of the rider handlefrom the fork may be accomplished in numerous mechanical ways, and theinvention, in its broadest sense, is not limited to any particularmechanical interconnection. Rather, any manner in which the rider handlemay be coupled and uncoupled to the fork is considered to fall withinthe scope and spirit of the invention. Moreover, the location of acoupling decoupling mechanism is not necessarily critical to embodimentsof the invention. It may be located between a rider handle assembly anda stem, or it may be located between a stem and a fork.

FIG. 17 is a detailed view of a portion of the front wheel assembly,according to one embodiment of the invention. The wheel assembly maycomprise a fork 3040 and a mudguard 3010 with a supporting structure2070. The supporting structure 2070 and mud-shield 3010 may be made ofone piece using the injection method or any other known method.Alternatively, other embodiments may be used. For example, the supportstructure 2070 may be affixed to the mudguard 3010. The supportstructure 2070 may include a cone extending from the top of the mudguard3010. The base 2020 may have a restricting mechanism, which may beformed of a lock hole (not shown) and a lock groove 2025, where thepressure transferring element 2080 may be inserted into either the lockhole or the lock groove. By pressing down the pressure transferringelement 2080, the guide 2082, such as shown in FIG. 18, may be releasedfrom the recessed member 2020 and the groove 2025, and the wheelassembly may be turned in an angle greater than the limiting angle ofrecessed member 2025, thereby transferring the tricycle vehicle from thesecond mode of operation to the first mode of operation. In thisembodiment, the pressure transferring element 2080 may be a button whichextends from the side of the mudguard, and may be pressed for turningthe front wheel from the configuration where the stem axis leads thefront wheel axis to a configuration where the stem axis trails the frontwheel axis or vise-versa, e.g. when the tricycle is transferred from itsfirst mode of operation to its second mode of operation. Once the frontwheel has been turned the pressure transferring element 2080 may bereleased where it can slide into one of the grooves.

FIG. 18 is a further detailed view of a front wheel assembly, accordingto an embodiment of the invention. FIG. 18 depicts the front wheelassembly of FIG. 17 with the head tube 1060, the restricting element7120, and the rail 1150 of the rider handle omitted. As depicted thepressure transferring element 2080 may be held by a spring and may beaffixed under the pressure transferring element 2080 for pushing upwardsthe pressure transferring element 2080, thereby restricting the turningangle of the front wheel. In an embodiment, the pressure transferringelement 2080 is not fixed in its place by any connecting technique, suchas screws or glue, but is held in place by a spring which presses ittowards the top of the supporting structure 2070.

FIG. 19 is a detailed view of the pedal assembly, according to anembodiment of the invention. In this embodiment, the pedal 131 isattached to a pedal rod 530. The pedal rod 530 may be configured forconnection about the front wheel axis. The pedal rod 530 may end in anuncircular protrusion, such as protrusion 533, as to fit and connect theprotrusion 533 to the front wheel in order to allow the rotation of thefront wheel by pedaling the pedal 131. In one embodiment, the pedal rod530 may have 2 cavities such as cavities 531-532 in order to allow theholding of the pedal rod 530 in one of two modes, by the fork of thetricycle. For example, in the first mode, the pedal rod 530 may be held,by the fork, about the cavity 531 while engaging the protrusion 533 inrotational control of the front wheel, thus, allowing the pedaling ofthe front wheel. For example, in the second mode, the pedal rod 530 maybe held, by the fork, about the cavity 532 while disengaging theprotrusion 533 from rotational control of the front wheel, thus,allowing the pedal 131 to rotate freely without rotating the frontwheel. In one embodiment, each pedal may have 3 modes: 1. Engaged withthe front wheel—pedaling the pedal rotates the front wheel; 2.Disengaged from the front wheel—the pedal may rotate freely withoutrotating the front wheel, or vice versa—the front wheel may rotatefreely without rotating the pedal; 3. Taken away from the frontwheel—the pedal may be detached from the tricycle by detaching andtaking out the pedal rod from the tricycle.

FIG. 20 is an isometric rear-view diagram depicting a foldable tricycle,with 2 rear swivel wheels, according to another embodiment of theinvention. In this embodiment, the depicted tricycle 800 has two rearswivel wheels 872-873, i.e. crazy wheels, for easy steerability in thesecond mode. During the second mode, when an attendant pushes thetricycle from behind, the tricycle may be steered by the attendant frombehind by pushing the tricycle left and right and where the rear swivelwheels 872-873 align themselves left or right accordingly. Thus, in thisembodiment, the foldable tricycle may also be operable between a firstmode of operation steerable by the tricycle rider, and a second mode ofoperation steerable by an attendant pushing the tricycle.

For the sake of brevity, a description is set forth, for theconfiguration of one of the rear swivel wheels, although the descriptionis meant to include each one of the rear swivel wheels individually. Thecentral axis of the axel that swivels the rear wheel extends in anoffset from rotational axis of rear wheel by a distance. In oneembodiment, the rear offset distance is in a range of about 15 mm and 40mm. In one embodiment, the rear offset distance is in a range of about80 mm and 180 mm. In another embodiment, the rear offset distance is ina range of about 10 mm and 200 mm. In another embodiment, the rearoffset distance is in a range is at least 50 mm. As the offset distancedecreases with all else equal, so to decreases an ability to turn thetricycle from behind using the hand grip. This combination of geometriesis exemplary of a configuration that may permit an attendant to steer,in the second mode, or may permit the tricycle rider to steer, in thefirst mode.

The front wheel, may be configured to be rotationally coupled with therider handle in a manner permitting a tricycle rider to exert forces onthe rider handle and thereby turn the fork. The front wheel, in thesecond mode, may be configured to be rotationally fixed, preventingforces from turning the front wheel left or right. Rotational Fixing ofthe font wheel may be accomplished in numerous mechanical ways, and theinvention, in its broadest sense, is not limited to any particularmechanical interconnection. Rather, any manner in which the front wheelmay be fixed to roll in a straight direction, back and forth, isconsidered to fall within the scope and spirit of the invention.Moreover, the location of a fixing mechanism is not necessarily criticalto embodiments of the invention. It may be located between a riderhandle and the front wheel, or at any other place.

FIG. 21 is a right-view diagram depicting the foldable tricycle, withthe 2 rear swivel wheels, in a folded position, according to anembodiment. In this folded position, the parental handle 141 may berotated under the tricycle 800 toward the front of the tricycle,effectively rotating the attached rear support in relations to theframe. In this embodiment, the front wheel 130 may be detached from thetricycle 800, when folded, and attached to the back of the back support.In another embodiment, the front wheel 130 may be detached from thetricycle 800, when folded, and inserted in a pocket (not shown), made ofcloth or any other material, attached to the back of the back support.In one embodiment, the tricycle 800 may be folded together with its armrest. In one embodiment, the tricycle 800 may be folded together withits canopy. In one embodiment, the tricycle 800 may be folded togetherwith its rear bag. In yet another embodiment the tricycle 800 may befolded together with the parental handle 141. In yet another embodimentthe tricycle 800 may be folded together with the parental handle 141 andthe arm rest. In yet another embodiment the tricycle 800 may be foldedtogether with all its depicted parts, including its arm rest, itscanopy, and its rear bag. In one embodiment, in the folded position, theoverall dimensions (width*height*length) of the folded tricycle may beless than 20% of the overall dimensions of the open tricycle. In oneembodiment, the dimensions of the open tricycle are less than 99×44×101cm. In one embodiment, the dimensions of the trolley like foldedtricycle are less than 44×35×99 cm. In one embodiment, the dimensions ofthe folded tricycle are less than 44×35×61 cm. In one embodiment, thedimensions of the folded tricycle, with its rear wheels detached, areless than 33×33×61 cm. In one embodiment, the dimensions of the opentricycle are less than 98×49×101 cm. In one embodiment, the dimensionsof the trolley like folded tricycle are less than 49×35×104 cm. In oneembodiment, the dimensions of the folded tricycle are less than 49×35×64cm. In one embodiment, the dimensions of the folded tricycle, with itsrear wheels detached, are less than 37×34×62 cm. In one embodiment, thetotal dimensions, meaning the width plus length plus height, of thefolded tricycle do not exceed 150 cm.

While the above description discloses many embodiments andspecifications of the invention, these were described by way ofillustration and should not be construed as limitations on the scope ofthe invention. The described invention may be carried into practice withmany modifications which are within the scope of the appended claims.

1. A foldable tricycle, operable between a first mode of operationsteerable by a tricycle rider, and a second mode of operation steerableby an attendant pushing the tricycle, the tricycle comprising: first andsecond rear wheels and a rear support, the rear support has a firstside, a second side and a main support area positioned between the firstand second sides, where the first rear wheel is supported by a rearsupport's first side distal end area and the second rear wheel issupported by the rear support's second side distal end area; a frontwheel having a front wheel axis; a pair of pedals, each pedal configuredfor connection about said front wheel axis to rotate said front wheel; ahead tube; a fork for rotatably supporting said front wheel in a mannerpermitting said front wheel to rotate about said front wheel axis; afoldable seat, comprising a chair and a back support, for accommodatingsaid tricycle rider; a parental handle, for steering said tricycle bysaid attendant pushing the tricycle in the second mode, the parentalhandle has a first extendable arm and a second extendable aim, the firstand second extendable arms are spaced apart, the first extendable armand the second extendable arm each has a proximal end and a distal end,the first extendable arm's proximal end is connected to said rearsupport's first side between the first side distal end area and the mainsupport area, and the second extendable arm's proximal end is connectedto said rear support's second side between the second side distal endarea and the main support area, and a top end which connects the distalends of the first and second extendable arms; a rider handle, configuredto turn the fork in a manner permitting a tricycle rider to exert forceson the rider handle and thereby turn the fork; a main frame, configuredto rotatably hold said rear support at the main support area, to supportsaid foldable seat, to rotatably support said rider handle, to rotatablysupport said fork; a latching mechanism, capable of locking andunlocking the rotatable movement, of said rear support in relations tosaid main frame; and wherein unlocking the latching mechanism permitssaid parental handle to be folded in relation to said frame.
 2. Afoldable tricycle according to claim 1, where the tricycle furthercomprises a rear bag.
 3. A foldable tricycle according to claim 1, wherethe tricycle further comprises a canopy.
 4. A foldable tricycleaccording to claim 1, where the latching mechanism has a grip.
 5. Afoldable tricycle according to claim 1, where the latching mechanismcomprises a bolt.
 6. A foldable tricycle according to claim 5, where thelatching mechanism also comprises a spring that pushes the bolt intoplace.
 7. A foldable tricycle according to claim 1, where the frontwheel is swivel wheel.
 8. A foldable tricycle according to claim 1,where at least one of the rear wheels is a swivel wheel.
 9. A foldabletricycle according to claim 1, where both the rear wheels are swivelwheels.
 10. A foldable tricycle according to claim 1, where the totaldimensions of said folded tricycle do not exceed 150 cm.
 11. A foldabletricycle according to claim 1, where the hand rest is detachable.
 12. Afoldable tricycle according to claim 1, where the tricycle furthercomprises a pair of pedals, where each pedal is configured forconnection about the front wheel axis to rotate said front wheel.
 13. Afoldable tricycle according to claim 1, where said tricycle is foldedinto a trolley like folded position.
 14. A foldable tricycle accordingto claim 13, where the tricycle has an auxiliary wheel, for providingeasier rolling when the folded tricycle is in a trolley like foldedposition.
 15. A foldable tricycle according to claim 1, where the seatcan be turned around in 180°.
 16. A foldable tricycle according to claim1, where the tricycle further comprises a leg rest.
 17. A foldabletricycle according to claim 1, where the tricycle further comprises afastener and a pin for holding the tricycle in the folded position.